Finding the Fourth Proportional to 249,253,417.95, 373,545,926.26 and 193,987,985.65
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Solution
The fourth proportional to 249,253,417.95, 373,545,926.26 and 193,987,985.65 is: 290,721,878.07
Step by Step Solution
- Step 1: Write the proportion equation
249,253,417.95 : 373,545,926.26 = 193,987,985.65 : x - Step 2: Convert to fraction form
249,253,417.95/373,545,926.26 = 193,987,985.65/x - Step 3: Cross multiply
249,253,417.95x = 373,545,926.26 × 193,987,985.65 - Step 4: Simplify right side
249,253,417.95x = 72,463,421,782,940,832 - Step 5: Solve for x
x = 72,463,421,782,940,832/249,253,417.95 - Step 6: Final answer
x = 290,721,878.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.